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Media Type
1
collections
4,249
texts
105
audio
87
movies
14
images
9
data
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Topics & Subjects
3,309
patent
2,270
scientific american
2,126
scientific
1,873
steam
996
tion
857
iron
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Collection
2,363
The Magazine Rack
2,344
Scientific American (1845-1909) Collection
806
Government Documents
780
United States Patents and Trademarks
772
U.S. Patents - Single Documents
477
American Libraries
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Creator
154
united states. patent office
148
nasa technical reports server (ntrs)
62
france.sovereign (1774-1792 : louis xvi)
18
bonnier corporation
18
ted roe, roe law firm
15
united states. supreme court
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Language
3,894
English
121
French
23
German
4
Portuguese
3
Dutch
2
Hungarian
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